CYPERACEAE 229 
XXX. ÜRYPTOCARPAE Tuckerm.  Stoloniferous. Culm aphyllopodie or 
phyllopodic. Terminal one or two spikes staminate, linear, the others pistil- 
late, linear or Nes closely many- or very many-flowered, the lower or a 
e 
in some species obtuse. Perigynium coriaceous or membranaeeous, plano- or 
bi-convex or turgid, elliptic to obovate, pune- , 
a d abruptly minutely beaked 
r beakless, the orifice entire or nearly so. | 
Ane Ie. rm constricted in the || 
middle. Style straight, slender, ep with |! 
achene, at length deciduous. Stigm i 
C. gynandra Schw. Culm 4-10 dm 
ened above: leaf-b A y 
staminate spikes 1-3, 2-6 cm. long: pistillate "m 
spikes 2-5, approximate, pedun cled, dro oop- 
in -10 em. long, 8-12 mm. wi 
with 3-ribbed center, brownish-tinged, as- 
cending: perigynium oblo Sd Sedis to ‘oval, 
ascending, compressed, 3-4 . long, 1.5-2 
mm. thick, 2-edged but o (ee nerveless or nearly so, scarcely inflated, the 
walls thin but rather firm, abruptly minutely beaked: achene a cted in 
Ea oodland swamps, in acid or neutral soils, various provinces, N. C. 
to T enn. Wis, à and Newf.—Sum | 
108. C. crinità Lam. Culm 4—12 dm. tall, reddened and filamentose at base, 
iie above; the basal PR Poe keeled: leaf-blades 3—10 
wide: staminate spikes E —6 . long: pistillate spikes pu D. 
is a rooping or somewhat erect, peels ed, 2.5-10 em. long, 8-1 wide: 
scales b 1-3 Ee Vend brownish- -tinged, sprea a perigynium in flat ted, 
. long, 1.25- hiek, nerveless or faintly nerved, the walls thin, 
abr ae eae minutely be eu a—( TASSEL-SEDGE. coa d ti in woodlands, in 
acid or neutral soils, various provinces, N. o Tex., Minn., and N. S.—Sum. 
109. C. Mitchelliana ae A. Curtis. Cespitose, sending forth horizontal iid 
lons: culm 5-9 dm. tall, smooth or nearly so, dull purplish-brown at. the bas 
the bud sheaths little or E at all filamentose: leaf-blades 2. 
staminate spike 2.5—4 cm. long: Lene spikes usu Mn 3, more or drin strongly 
T peduncled, drooping, 2 . long, 6-8 mm. wide: scales reddish- 
brown- tinged, 3-nerved, the E. audios strongly n awne uch exceeding 
the perigynia, the upper- a awned: perigynium oblong- ires flattened-bi- 
eonvex, 2.5-3 mm. lon .75 mm. wide, normally slende erly few- nerved, strongly 
papillae, RIT beaked: a cie ene normally not constricted in the middle.— 
Swampy woodlands, in acid sails, Coastal Plain, mostly near the ufa Fla. to 
Mass. E. —early sum. 
XXXI. HigTAE Tuckerm. Culm stout, leafy. Rootstock with long 
stolons. Leaves septate-nodulose. Spikes 3-10, the upper 1-5 staminate, 
slender, the others pistillate, many-flowered, erect. Bracts leaf- ie ee 
or exceeding the culm, often sheathing. Pistillate scales acu istate, 
ovate or lanceolate. Perigynium mostly ascending, coriaceous or huie iiis 
ovoid or oblong-ovoid, somewhat inflated, nearly orbieular in cross-section, 
